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Finding the Fourth Proportional to 103,870.28, 155,659.62 and 44,661.44

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Solution

The fourth proportional to 103,870.28, 155,659.62 and 44,661.44 is: 66,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,870.28 : 155,659.62 = 44,661.44 : x
  2. Step 2: Convert to fraction form
    103,870.28/155,659.62 = 44,661.44/x
  3. Step 3: Cross multiply
    103,870.28x = 155,659.62 × 44,661.44
  4. Step 4: Simplify right side
    103,870.28x = 6,951,982,779.05
  5. Step 5: Solve for x
    x = 6,951,982,779.05/103,870.28
  6. Step 6: Final answer
    x = 66,929.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.